[libc-commits] [libc] [libc][CndVar] switch to doubly-linked list and implement timeout (PR #191827)

[Schrodinger ZHU Yifan via libc-commits]

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@@ -99,8 +102,51 @@ void CndVar::broadcast() {
         FUTEX_SYSCALL_ID, &dummy_futex_word, FUTEX_WAKE_OP, 1, 1,
         &waiter->futex_word.val,
         FUTEX_OP(FUTEX_OP_SET, WS_Signalled, FUTEX_OP_CMP_EQ, WS_Waiting));
-    waiter = waiter->next;
+    waiter = static_cast<CndWaiter *>(waiter->next);
   }
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SchrodingerZhu wrote:

Nice one by copilot.

https://github.com/llvm/llvm-project/pull/191827